Without self knowledge, ...

Without self knowledge, without understanding the working and functions of his machine, man cannot be free, he cannot govern himself and he will always remain a slave.
Without self knowledge, without understanding the working and functions of his machine, man cannot be free, he cannot govern himself and he will always remain a slave.
 G. I. Gurdjieff

More phrases

If one does not know to which port one is sailing, no wind is favorable.
What a distressing contrast there is between the radiant intelligence of the child and the feeble mentality of the average adult.
We are masters of the unsaid words, but slaves of those we let slip out.
I have always found that mercy bears richer fruits than strict justice.
A lie gets halfway around the world before the truth has a chance to get its pants on.

Quotes from the same author

Patience is the mother of will.
 G. I. Gurdjieff
Religion is doing; a man does not merely think his religion or feel it, he 'lives' his religion as much as he is able, otherwise it is not religion but fantasy or philosophy.
 G. I. Gurdjieff
With thorns in the inner world there will always be roses in the outer world, in law-able compensation.
 G. I. Gurdjieff
The highest that a man can attain is to be able to do.
 G. I. Gurdjieff
He who has gotten rid of the disease of "tomorrow" has a chance of achieving what he is here for.
 G. I. Gurdjieff